Giant regions of the mantle where seismic waves slow down may have formed from subducted ocean crust, a new study finds.

Earth's oceans may have been green for billions of years until the first photosynthetic organisms flooded our atmosphere with oxygen.

As researchers continue to study this hidden water and its effects on the planet, we may uncover even more secrets about how ...

Although the Earth’s been decidedly blue for 600 million years, rising populations of phytoplankton caused by rising ...

Atlantic and Indian oceans. The system regulates Earth's climate and pumps water, heat and nutrients around the globe. But fresh, cool water from melting Antarctic ice is diluting the salty water ...

A massive 'gravity hole' pulling down the Indian Ocean has stumped scientists for years, but the mystery may have just been ...

For a long stretch of Earth’s history, our planet might have looked green from a distance, instead of the pale blue dot we know today. Earth’s green period, which lasted from around 3 billion ...

Earth and Atmospheric Science at the University of Melbourne, said previous studies show that a growing north-south temperature gradient in the Southern Ocean would speed up the ACC. The new study ...